Home / 1,800,000.80-2,700,001.20-1,702,023.20

Finding the Fourth Proportional to 1,800,000.80, 2,700,001.20 and 1,702,023.20

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Solution

The fourth proportional to 1,800,000.80, 2,700,001.20 and 1,702,023.20 is: 2,553,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,000.80 : 2,700,001.20 = 1,702,023.20 : x
  2. Step 2: Convert to fraction form
    1,800,000.80/2,700,001.20 = 1,702,023.20/x
  3. Step 3: Cross multiply
    1,800,000.80x = 2,700,001.20 × 1,702,023.20
  4. Step 4: Simplify right side
    1,800,000.80x = 4,595,464,682,427.84
  5. Step 5: Solve for x
    x = 4,595,464,682,427.84/1,800,000.80
  6. Step 6: Final answer
    x = 2,553,034.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.